Immunogen sequence: MTEWETAAPA VAETPDIKLF GKWSTDDVQI NDISLQDYIA VKEKYAKYLP HSAGRYAAKR FRKAQCPIVE RLTNSMMMHG RNNGKKLMTV RIVKHAFEII HLLTGENPLQ VLVNAIINSG PREDSTRIGR AGTVRRQAVD VSPLRRVNQA IWLLCTGARE AAFRNIKTIA ECLADELINA AKGSSNSYAI KKKDELERVA KSNR; Positive